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Beryllium vs Iron

Beryllium
Iron
Iron vs Beryllium


Periodic Table
Symbol
Be  
Fe  
Group Number
2  
16
8  
10
Period Number
2  
4  
Block
s block  
d block  
Element Family
Alkaline Earth  
Transition Metal  
CAS Number
7440417  
99+
7439896  
99+
Space Group Name
P63/mmc  
Im_ 3m  
Space Group Number
194.00  
7
229.00  
2
Facts
Interesting Facts
  • Beryllium is best anti corrosion metal.
  • Beryllium is the lightest metal and still it is stronger than steel.
  • It also finds various applications in Nuclear reactors as a reflector.
  
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals  
Earth's crust, Found in Minerals  
History
  
  
Who Discovered
Louis Nicolas Vauquelin  
-  
Discovery
In 1797  
Before 5000 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
24
0.11 %  
1
Abundance In Sun
0.00 %  
29
0.10 %  
1
Abundance In Meteorites
0.00 %  
99+
22.00 %  
1
Abundance In Earth's Crust
0.00 %  
35
6.30 %  
2
Abundance In Oceans
0.00 %  
39
0.00 %  
12
Abundance In Humans
0.00 %  
22
0.01 %  
6
Uses
Uses & Benefits
  • Its alloys with copper or nickel are used in manufacturing Gyroscopes, springs, electrical contact and non sparking tools.
  • Beryllium Alloys are used as a material for aircraft, missiles, spacecraft and satellite.
  
  • Iron metal alloy steel is used in the application of civil engineering and manufacturing.
  • Alloys of iron with nickel, vanadium, chromium, tungsten and manganese have very useful properties.
  
Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
Pharmaceutical Industry, Surgical Instruments Manufacturing  
Other Uses
Alloys  
Alloys, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.00 Blood/mg dm-3  
35
447.00 Blood/mg dm-3  
3
In Bone
0.00 p.p.m.  
37
380.00 p.p.m.  
5
Physical
Melting Point
1,278.00 °C  
36
1,535.00 °C  
25
Boiling Point
2,970.00 °C  
33
2,750.00 °C  
39
Appearance
  
  
Physical State
Solid  
Solid  
Color
White Gray  
Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
5.50  
7
4.00  
11
Brinell Hardness
590.00 MPa  
25
200.00 MPa  
99+
Vickers Hardness
1,670.00 MPa  
9
608.00 MPa  
27
Speed of Sound
12,890.00 m/s  
2
5,120.00 m/s  
12
Optical Properties
  
  
Refractive Index
1.56  
34
2.60  
4
Reflectivity
65.00 %  
18
65.00 %  
18
Allotropes
No  
Yes  
α Allotropes
-  
Ferrite (alpha Iron)  
β Allotropes
-  
beta Iron  
γ Allotropes
-  
gamma Iron  
Chemical
Chemical Formula
Be  
Fe  
Isotopes
  
  
Known Isotopes
9  
29
26  
13
Electronegativity
  
  
Pauling Electronegativity
1.57  
25
1.83  
15
Sanderson Electronegativity
1.81  
15
2.20  
8
Allred Rochow Electronegativity
1.47  
15
1.64  
9
Mulliken-Jaffe Electronegativity
1.54  
24
1.83  
16
Allen Electronegativity
1.58  
26
1.80  
15
Electropositivity
  
  
Pauling Electropositivity
2.43  
30
2.17  
99+
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol  
7
762.50 kJ/mol  
17
2nd Energy Level
1,757.10 kJ/mol  
24
1,561.90 kJ/mol  
37
3rd Energy Level
14,848.70 kJ/mol  
2
2,957.00 kJ/mol  
29
4th Energy Level
21,006.60 kJ/mol  
2
5,290.00 kJ/mol  
25
5th Energy Level
2,970.00 kJ/mol  
99+
7,240.00 kJ/mol  
25
6th Energy Level
1,470.00 kJ/mol  
99+
9,560.00 kJ/mol  
20
7th Energy level
2,970.00 kJ/mol  
99+
12,060.00 kJ/mol  
15
8th Energy Level
2,970.00 kJ/mol  
99+
14,580.00 kJ/mol  
14
9th Energy Level
2,970.00 kJ/mol  
99+
22,540.00 kJ/mol  
5
10th Energy Level
2,970.00 kJ/mol  
99+
25,290.00 kJ/mol  
8
11th Energy Level
2,970.00 kJ/mol  
99+
28,000.00 kJ/mol  
9
12th Energy Level
29,700.00 kJ/mol  
35
31,920.00 kJ/mol  
31
13th Energy Level
2,970.00 kJ/mol  
99+
34,830.00 kJ/mol  
9
14th Energy Level
2,970.00 kJ/mol  
99+
37,840.00 kJ/mol  
11
15th Energy Level
89,900.00 kJ/mol  
5
44,100.00 kJ/mol  
99+
16th Energy Level
89,900.00 kJ/mol  
8
47,206.00 kJ/mol  
99+
17th Energy Level
2,970.00 kJ/mol  
14
122,200.00 kJ/mol  
1
18th Energy Level
8,995.00 kJ/mol  
13
131,000.00 kJ/mol  
2
19th Energy Level
899.50 kJ/mol  
22
140,500.00 kJ/mol  
3
20th Energy Level
899.00 kJ/mol  
12
152,600.00 kJ/mol  
5
21st Energy Level
2,970.00 kJ/mol  
26
163,000.00 kJ/mol  
5
22nd Energy Level
899.00 kJ/mol  
10
173,600.00 kJ/mol  
4
23rd Energy Level
2,970.00 kJ/mol  
31
188,100.00 kJ/mol  
4
24th Energy Level
297.30 kJ/mol  
99+
195,200.00 kJ/mol  
1
25th Energy Level
2,970.00 kJ/mol  
2
762.00 kJ/mol  
15
26th Energy Level
2,970.00 kJ/mol  
2
762.50 kJ/mol  
15
27th Energy Level
297.30 kJ/mol  
99+
762.50 kJ/mol  
14
28th Energy Level
297.30 kJ/mol  
99+
762.50 kJ/mol  
20
29th Energy Level
2,970.00 kJ/mol  
2
762.50 kJ/mol  
20
30th Energy Level
2,970.00 kJ/mol  
2
762.00 kJ/mol  
15
Electrochemical Equivalent
0.17 g/amp-hr  
99+
0.69 g/amp-hr  
99+
Electron Work Function
4.98 eV  
10
4.70 eV  
15
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes  
Corrosion, Ionization, Solubility  
Atomic
Atomic Number
4  
99+
26  
99+
Electron Configuration
[He] 2s2  
[Ar] 3d6 4s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
4  
99+
26  
99+
Number of Neutrons
5  
99+
30  
99+
Number of Electrons
4  
99+
26  
99+
Radius of an Atom
  
  
Atomic Radius
112.00 pm  
99+
126.00 pm  
99+
Covalent Radius
96.00 pm  
99+
132.00 pm  
99+
Van der Waals Radius
153.00 pm  
99+
200.00 pm  
35
Atomic Weight
9.01 amu  
99+
55.85 amu  
99+
Atomic Volume
5.00 cm3/mol  
99+
7.10 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Lithium
  
Manganese
  
Next Element
Sodium
  
Cobalt
  
Valence Electron Potential
82.00 (-eV)  
15
67.00 (-eV)  
20
Lattice Constant
228.58 pm  
99+
286.65 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
99+
1.35  
99+
Mechanical
Density
  
  
Density At Room Temperature
1.85 g/cm3  
99+
7.87 g/cm3  
99+
Density When Liquid (at m.p.)
1.69 g/cm3  
99+
6.98 g/cm3  
99+
Tensile Strength
287.00 MPa  
16
11,000.00 MPa  
1
Viscosity
0.00  
17
0.00  
19
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
20
0.00 (Pa)  
30
Vapor Pressure at 2000 K
0.00 (Pa)  
24
36.80 (Pa)  
5
Elasticity properties
  
  
Shear Modulus
132.00 GPa  
7
82.00 GPa  
11
Bulk Modulus
130.00 GPa  
13
170.00 GPa  
10
Young's Modulus
287.00 GPa  
7
211.00 GPa  
9
Poisson Ratio
0.03  
36
0.29  
15
Other Mechanical Properties
-  
Ductile, Malleable, Weldable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
1.85  
99+
7.20  
99+
Magnetic Ordering
Diamagnetic  
Ferromagnetic  
Permeability
0.00 H/m  
12
0.01 H/m  
1
Susceptibility
0.00  
11
200,000.00  
1
Electrical Properties
  
  
Electrical Property
Semiconductor  
Conductor  
Resistivity
36.00 nΩ·m  
99+
96.10 nΩ·m  
32
Electrical Conductivity
0.31 106/cm Ω  
5
0.10 106/cm Ω  
24
Electron Affinity
0.00 kJ/mol  
99+
15.70 kJ/mol  
40
Thermal
Specific Heat
1.82 J/(kg K)  
2
0.44 J/(kg K)  
13
Molar Heat Capacity
16.44 J/mol·K  
99+
25.10 J/mol·K  
99+
Thermal Conductivity
200.00 W/m·K  
6
80.40 W/m·K  
22
Critical Temperature
1,551.00 K  
39
1,811.00 K  
29
Thermal Expansion
11.30 µm/(m·K)  
99+
11.80 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
294.70 kJ/mol  
99+
351.00 kJ/mol  
33
Enthalpy of Fusion
11.72 kJ/mol  
36
14.90 kJ/mol  
23
Enthalpy of Atomization
326.40 kJ/mol  
40
414.20 kJ/mol  
24
Standard Molar Entropy
9.50 J/mol.K  
99+
27.30 J/mol.K  
99+
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